*{
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 15px;
}
a{
    text-decoration: none;
    color: #293040;
}
.fl{
    float: left;
}
.fr{
    float: right;
}
.clearfix:after{
    content: "";
    display: block;
    clear: both;
    height: 0;

}
.w{
    width: 1200px;
    margin: 0 auto;
}
/* 头部导航栏开始 */
.header{
    height: 60px;
    width: 100%;
    line-height: 60px;
}
.header .left>ul>li{
    float: left;
    margin-right: 48px;
}
.header .left>ul>li:first-child{
    width: 120px;
    height: 40px;
    margin-left: 40px;
    background-image: url(images/logo.svg);
    background-size: 100% 100%;
    padding-top: 20px;
    margin-right: 40px;
}
.header .left>ul>li:nth-child(2) a{
    color: #5e7ce0;
}
.header .left>ul>li a:hover{
    color: #5e7ce0;
}
.header .right>ul>li {
    float: left;
}
.header .right>ul>li:first-child{
    margin-right: 30px;
}
.header .right>ul>li:first-child a{
    display: inline-block;
    border: 1px solid #eeeff2;
    width: 100px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    background-color: #fafafa;
    border-radius: 20px;
}
.header .right>ul>li{
    margin-right: 10px;
}
.header .right>ul{
    margin-right: 30px;
}
.header .right>ul>li:first-child a:hover{
    border: 1px solid #5e7ce0;
    color: #293040;
}
.header .right>ul>li a:hover{
    color: #5e7ce0;
}
/* 头部导航栏结束 */

/* 轮播图开始 */
.slide{
    width: 100%;
    height: 414px;
    background-image: url(images/slide.jpg);
    background-size: 100%;
    position: relative;
}
.slide ul li{
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #cccac4;
    float: left;
    margin-right: 8px;
}
.slide ul li:nth-child(2){
    width: 30px;
    height: 10px;
    border-radius: 10px;
    background-color: #5e7ce0;
}
.slide ul {
    position: absolute;
    left: 700px;
    bottom: 45px;
}
.slide .introduce{
    width: 1200px;
    height: 124px;
    background-color: #ffffff;
    position: absolute;
    bottom: -100px;
    color: #5e6678;
    left: 160px;
    padding-left: 30px;
    border-radius: 8px;
    box-shadow: 0 0 30px #f6f6f7;
}
.slide .introduce p{
    width: 1000px;
    line-height: 30px;
    margin-top: 25px;
    font-size: 16px;
    display: inline-block;
    vertical-align: top;
}
.slide .introduce a{
    display: inline-block;
    width: 100px;
    height: 35px;
    color: white;
    background-color: #5e7ce0;
    border-radius: 20px;
    line-height: 35px;
    text-align: center;
    margin-left: 50px;
    margin-top: 50px;
}
.slide .introduce a:hover{
    background-color: #526ecc;
}
/* 轮播图结束结束 */

/* 云课堂开始 */
.cloud_classroom .w{
    margin-top: 150px;
}
.cloud_classroom .title{
    text-align: center;
}
.cloud_classroom .title h1{
    font-size: 24px;
}
.cloud_classroom .title p{
    color: #575d6c;
    margin-top: 15px;
    margin-bottom: 50px;
}
.cloud_classroom .content>div{
    float: left;
    margin-bottom: 30px;
    box-shadow: 0 0 20px #eeeeee;
    border-radius: 15px;
}
.cloud_classroom .content>div:hover{
    transform: translateY(-10px);
    transition-duration: 0.2s;
    box-shadow: 0 0 40px #e2e6f9;
}
.cloud_classroom .content>div:nth-child(2){
    margin: 0 33px;
}
.cloud_classroom .content>div:nth-child(5){
    margin: 0 33px;
}
.cloud_classroom .content div a{
    width: 378px;
    height: 386px;
    display: inline-block;
    border-radius: 15px;
}
.cloud_classroom .content>div>a>div:first-child{
    width: 378px;
    height: 200px;
    background-image: url(images/course.png);
    border-radius: 15px 15px 0 0;
}
.cloud_classroom .content>div:nth-child(2)>a>div:first-child{
    width: 378px;
    height: 200px;
    background-image: url(images/course.png);
    border-radius: 15px 15px 0 0;
    background-position: 0 -200px;
}
.cloud_classroom .content>div:nth-child(3)>a>div:first-child{
    width: 378px;
    height: 200px;
    background-image: url(images/course.png);
    border-radius: 15px 15px 0 0;
    background-position: 0 -400px;
}
.cloud_classroom .content>div:nth-child(4)>a>div:first-child{
    width: 378px;
    height: 200px;
    background-image: url(images/course.png);
    border-radius: 15px 15px 0 0;
    background-position: 0 -600px;
}
.cloud_classroom .content>div:nth-child(5)>a>div:first-child{
    width: 378px;
    height: 200px;
    background-image: url(images/course.png);
    border-radius: 15px 15px 0 0;
    background-position: 0 -800px;
}
.cloud_classroom .content>div:nth-child(6)>a>div:first-child{
    width: 378px;
    height: 200px;
    background-image: url(images/course.png);
    border-radius: 15px 15px 0 0;
    background-position: 0 -1000px;
}
.cloud_classroom .content .bottom{
    padding: 20px;
}
.cloud_classroom .content .bottom .title{
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 5px;
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.cloud_classroom .content .bottom span{
    color: #b09eb9;
    font-size: 12px;
    margin-right: 5px;
}
.cloud_classroom .content .bottom .first::before{
    content: "";
    width: 20px;
    height: 20px;
    display: inline-block;
    background-image: url(images/icon.png);
    background-position: 188px 17px;
    vertical-align: middle;
}
.cloud_classroom .content .bottom .second::before{
    content: "";
    width: 20px;
    height: 20px;
    display: inline-block;
    background-image: url(images/icon.png);
    background-position: 94px 41px;
    vertical-align: middle;
}
.cloud_classroom .content .bottom span:nth-child(4){
    display: inline-block;
    width: 50px;
    height: 20px;
    border: 1px solid #eeeeee;
    text-align: center;
    line-height: 20px;
    border-radius: 10px;
}
.cloud_classroom .content .bottom .introduce{
    margin-top: 15px;
    color: #5e6678;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    line-height: 24px;
    padding-bottom: 5px;
    border-bottom: 2px solid #f3f3f3;
}
.cloud_classroom .content .bottom .state{
    color: #e41f2b;
    background-color: #fce8e9;
    width: 70px;
    height: 26px;
    text-align: center;
    display: inline-block;
    line-height: 26px;
    float: right;
    margin-top: 10px;
}
.cloud_classroom .more {
    text-align: center;
    margin-bottom: 60px;
}
.cloud_classroom .more a{
    border: 1px solid #e4e6ea;
    display: inline-block;
    width: 120px;
    height: 40px;
    text-align: center;
    line-height: 40px;
    font-size: 16px;
    border-radius: 30px;
    background-color: #fafafa;
}
.cloud_classroom .more a::after{
    content: ">";
    margin-left: 5px;
}
.cloud_classroom .more a:hover{
    border: 1px solid #5e7ce0;
}
/* 云课堂结束 */

/* 教学市场开始 */
.market{
    background-color: #fafafa;
}
.market .w{
    padding-top: 50px;
}
.market .title{
    text-align: center;
}
.market .title h1{
    font-size: 24px;
}
.market .title p{
    color: #575d6c;
    margin-top: 15px;
    margin-bottom: 50px;
}
.market .content>div{
    float: left;
    margin-bottom: 30px;
    box-shadow: 0 0 20px #eeeeee;
    border-radius: 15px;
}
.market .content>div:hover{
    transform: translateY(-10px);
    transition-duration: 0.2s;
    box-shadow: 0 0 40px #e2e6f9;
}
.market .content>div:nth-child(2){
    margin: 0 33px;
}
.market .content>div:nth-child(5){
    margin: 0 33px;
}
.market .content div a{
    width: 378px;
    height: 386px;
    display: inline-block;
    border-radius: 15px;
}
.market .content>div>a>div:first-child{
    width: 378px;
    height: 200px;
    background-image: url(images/course.png);
    border-radius: 15px 15px 0 0;
    background-position: 0 -1200px;
}
.market .content>div:nth-child(2)>a>div:first-child{
    width: 378px;
    height: 200px;
    background-image: url(images/course.png);
    border-radius: 15px 15px 0 0;
    background-position: 0 -1400px;
}
.market .content>div:nth-child(3)>a>div:first-child{
    width: 378px;
    height: 200px;
    background-image: url(images/course.png);
    border-radius: 15px 15px 0 0;
    background-position: 0 -1600px;
}
.market .content>div:nth-child(4)>a>div:first-child{
    width: 378px;
    height: 200px;
    background-image: url(images/course.png);
    border-radius: 15px 15px 0 0;
    background-position: 0 -1800px;
}
.market .content>div:nth-child(5)>a>div:first-child{
    width: 378px;
    height: 200px;
    background-image: url(images/course.png);
    border-radius: 15px 15px 0 0;
    background-position: 0 -2000px;
}
.market .content>div:nth-child(6)>a>div:first-child{
    width: 378px;
    height: 200px;
    background-image: url(images/course.png);
    border-radius: 15px 15px 0 0;
    background-position: 0 -2200px;
}
.market .content .bottom{
    padding: 20px;
}
.market .content .bottom .title{
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 5px;
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.market .content .bottom span{
    color: #b09eb9;
    font-size: 12px;
    margin-right: 5px;
}
.market .content .bottom .first::before{
    content: "";
    width: 20px;
    height: 20px;
    display: inline-block;
    background-image: url(images/icon.png);
    background-position: 188px 17px;
    vertical-align: middle;
}
.market .content .bottom .second::before{
    content: "";
    width: 20px;
    height: 20px;
    display: inline-block;
    background-image: url(images/icon.png);
    background-position: 94px 41px;
    vertical-align: middle;
}
.market .content .bottom .introduce{
    margin-top: 15px;
    color: #5e6678;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    line-height: 24px;
    padding-bottom: 5px;
    border-bottom: 2px solid #f3f3f3;
}
.market .content .bottom .state{
    color: #e41f2b;
    background-color: #fce8e9;
    width: 70px;
    height: 26px;
    text-align: center;
    display: inline-block;
    line-height: 26px;
    float: right;
    margin-top: 10px;
}
.market .more {
    text-align: center;
    padding-bottom: 60px;
}
.market .more a{
    border: 1px solid #e4e6ea;
    display: inline-block;
    width: 120px;
    height: 40px;
    text-align: center;
    line-height: 40px;
    font-size: 16px;
    border-radius: 30px;
    background-color: #fafafa;
}
.market .more a:hover{
    border: 1px solid #5e7ce0;
}
.market .more a::after{
    content: ">";
    margin-left: 5px;
}
/* 教学市场结束 */

/* 活动公告开始 */
.active{
    padding-bottom: 60px;
}
.active .w>p{
    margin: 50px;
    color: #293040;
    font-size: 24px;
    font-weight: bold;
    text-align: center;
}
.active .content{
    padding-bottom: 25px;
    border-bottom: 1px solid #e3e5e9;
    margin-bottom: 30px;
}
.active .content .left{
    width: 160px;
    height: 96px;
    background-image: url(images/active.png);
    margin-right: 40px;
}
.active .content .left a{
    width: 160px;
    height: 96px;
    display: block;
}
.active .content:nth-child(3) .left{
    background-position: 0 -96px;
    background-image: url(images/active.png);
}
.active .content:nth-child(4) .left{
    background-position: 0 -192px;
    background-image: url(images/active.png);
}
.active .content:nth-child(5) .left{
    background-position: 0 -288px;
    background-image: url(images/active.png);
}
.active .content:nth-child(6) .left{
    background-position: 0 -384px;
    background-image: url(images/active.png);
}
.active .content:nth-child(7) .left{
    background-position: 0 -480px;
    background-image: url(images/active.png);
}
.active .content .right a{
    font-size: 20px;
    display: inline-block;
    padding-bottom: 50px;
}
.active .content .right a:hover{
    color: #5e7ce0;
}
.active .content .right ul li{
    float: left;
    color: #959eb2;
}
.active .content .right .long::before{
    content: "|";
    margin: 0 5px;
}
/* 活动公告结束 */

/* 底部开始 */
.footer{
    width: 100%;
    background-color: #f3f3f3;
    padding-top: 40px;
    padding-bottom: 10px;
}
.footer .left span{
    margin: 0 5px;
    color: #626771;
}
.footer .left a{
    color: #626771;
}
.footer .left a:hover{
    color: #5e7ce0;
}
.footer .left div:nth-child(2){
    margin-top: 10px;
}
.footer .left div:nth-child(2) .first::before{
    content: url(images/badge_1.png);
    margin-right: 5px;
    display: inline-block;
    width: 10px;
    height: 10px;
}
.footer .left div:nth-child(2) .second::before{
    content: url(images/badge_2.png);
    margin-right: 5px;
    display: inline-block;
    width: 10px;
    height: 10px;
}
.footer .left div:nth-child(2) a{
    font-size: 12px;
    color: #626771;
    vertical-align: top;
    margin-left: 3px;
}
.footer .left div:nth-child(2) a:hover{
    color: #5e7ce0;
}
.footer .right ul li{
    float: left;
}
.footer .right ul li a{
    color: #626771;
}
.footer .right ul li+li a::before{
    content: "|";
    margin: 0 10px;
}
.footer .right ul li a:hover{
    color: #5e7ce0;
}
/* 底部结束 */
